V-Lab
Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
10.99%
increased by 0.35%
1 Week
11.81%
increased by 1.17%
1 Month
14.06%
increased by 3.42%
Analysis last updated: Thursday, September 10, 2026 at 06:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 9, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 252% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 252% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0573 | 4.80*** |
| αARCH | 0.0504 | 4.61*** |
| βGARCH | 0.8471 | 59.78*** |
| γleverage | 0.1270 | 4.48*** |
0.961
Persistence17d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0573 | 4.80*** |
α ARCH Response to squared shocks | 0.0504 | 4.61*** |
β GARCH Volatility persistence | 0.8471 | 59.78*** |
γ leverage Additional response to negative shocks | 0.1270 | 4.48*** |
Persistence:
0.961
Half-life:
17 days
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